Elizabeth Becker, When The War Was Over..., 1979, p. 435 http://books.google.com/books?id=3NHoI2HoFiQC&pg=PA435&lpg=PA435&dq=%22i+encouraged+the+chinese+to+support+pol+pot%22+becker&source=web&ots=XLHBFETcFH&sig=kznWEHGxoTAgUR-BTChSThlGrpk (Brzezinski responded in the letter the NYT http://www.nytimes.com/1998/04/22/opinion/l-pol-pot-s-evil-had-many-faces-china-acted-alone-605387.html clarifying his postion at the time: "China acted alone [... Becker's article] asserts flatly as if it was a fact that the Carter Administration "helped arrange continued Chinese aid" to Pol Pot.[...] we told the Chinese explicitly that in our view Pol Pot was an abomination and that the United States would have nothing to do with him directly or indirectly.").
Disputed